Improvement in stock-gates for water-courses



PATENTED JUNE 17,1862.

DONNAN.

STOCK GATE FOR WATER COURSES.

n 1- the mammary TUN IT DYS TATES- "P TENT'O WILLIAM DONNAN, or BUReE'r'rsToWN, PENNSYLVANIA.

IMPROVEMENT m STOCK-GATES FOR wAremcouases.

Specificationformingv part of Letters Patent No. 35,591, dated June 17, 1862.

To all-when), it may concern.-

Be it known that I, WILL A DQNNAN, of Burgettstowu, in the county of Washington,

inthe State of Pennsylvania, have invented a new and Improved Stock-Gate for Brooks,

and I do hereby declare that the followingis a full and exact description thereof, reference being had to the accompanying drawings, and to the lettersof reference marked thereon.

- The. natureof my invention consists ina rake-shaped gate head-piece, wood or metal with lever attached, or lever and axle sepa rate, with clamp or other device into or upon which the end of thegate-head is secured,: the

whole to be operated upon by a weight or-a spiral or other spring inside of I a metal or wooden box in such a way that by means-of the weight or spring onor against the lever the gate will be broughtback to an erect po- I sition after drift has passed over. I I To enable others skilled in the art to make and use my invention, Iwill proceed to de-.f

scribe its construction andoperation. v

Figure 1 is a perspective view of. my improvedgate. Fig. 2 is a view of the same out of the .box, .sh ng the lever and spring.-

-' Similar lette' v of reference in each of the figures indicate corresponding parts.

A; A. A represent the bottom of the brook. a represents the headpiece of the gate, which should contain enough upright pieces,

wood or metal, secured into or upon it to prevent stock from passing-through.

" b is a box, which. contains the lever and.

spring, andc is its lid.

a is the clamp or-clasp which holds the gate in its place.

0 is a forked lever having a washer underneath between the lever and the spring. 9 f represents the'shape of the box when made of metal. I i

g is a post to hold one end of the gate.

h h h are feet to the boxes, to be sunk in the ground or rock to steady them.- k k is awire, to be dropped in a groove in the top of the box to hold the spring in its place."

.m is a spiral spring. A I

. 1n n n is-a groove, to be filled withtow and tallow, or other device, to keep out the water. it show one end of the'axle, which may go into" the head-piece of the gate to hold and steady" it instead "of a clamp, if preferred. j I s is a pin,to go through head-piece and axle.

' ice.-

What I claim as my invention, and desireto secure by Letters Patent, isv v The arrangement of a rake-shaped gate with itshead-piece close tothe bottom of the brook, and operated on by means of the lever e and spring mor weight w, inside of the metal'box f or wooden box I), substantiallyas andfor the purposes set forth. 7

WM. DON AN. I

Witnesses: v

S; P. RIDDILE,

' BENJAMIN F. Woop'.

W was Iran w is a weight-,that may be used instead of 

